Search results

1. CCAMLR Compliance Evaluation Procedure (CCEP) Summary Report and analysis

   1 August 2018 to 31 July 2019 (the compliance reporting period). The Secretariat circulated Draft reports ... issues in relation to 7 conservation measures affecting 6 Contracting Parties in the period 1 August 2018 ...

   Meeting Document : CCAMLR-38/13 Rev. 2 : Author(s): CCAMLR Secretariat

2. THE SELECTION OF TRIPS BASED ON DATA METRICS FOR THE ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

   Ross Sea Region was selected on the basis of data quality metrics for individual trips. Initial ... recoveries and where tags released on the trip must be captured at an above median rate, the resulting ... tagging data quality for use in an assessment. Author(s):  D.A.J. Middleton (New Zealand) Title:  THE ... SELECTION OF TRIPS BASED ON DATA METRICS FOR THE ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA Approval ...

   Meeting Document : WG-FSA-09/35 : Author(s): D.A.J. Middleton (New Zealand)

3. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2004/05

   for eight years in Subarea 88.1 and for four years in Subarea 88.2 with a large amount of data collected ... . Comparison of the location of fishing effort with ice distribution over the past six years has clearly ... The exploratory fishery for Antarctic toothfish (D. mawsoni) has been operating for eight years ... in Subarea 88.1 and for four years in Subarea 88.2 with a large amount of data collected on toothfish ...

   Meeting Document : WG-FSA-05/29 : Author(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and A. Dunn (New Zealand)

4. IMPLEMENTATION OF FOOSA (KPFM) IN THE EPOC MODELLING FRAMEWORK TO FACILITATE VALIDATION AND POSSIBLE EXTENSION OF MODELS USED IN EVALUATING KRILL FISHERY HARVEST STRATEGIES THAT WILL MINIMISE RISK OF LOCALISED IMPACTS ON KRILL PREDATORS

   Abstract:  This paper details how FOOSA, an operating foodweb model for evaluating spatially ... -structured harvest strategies for krill, has been implemented within the EPOC modelling framework. It also ... shows how the parameters developed for use in FOOSA can be adapted for use in EPOC. The paper has three ... main parts – an outline of the structure of EPOC, consideration of the general FOOSA structure that ...

   Meeting Document : WG-SAM-08/15 : Author(s): A. Constable (Australia)

5. Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos

   distribution were dominated by two modes, one of very large animals averaging around 55 mm dominating ... , one of very large animals averaging around 55 mm dominating in the South Shetland area, and a second ... South Georgia. Small animals were only rarely sampled and almost uniquely on the shelf to the east ... krill species dominated in some stations. E. superba length distribution were dominated by two modes ...

   Meeting Document : WG-EMM-2019/46 : Author(s): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft

6. Trends in entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at South Georgia

   of any material unavoidably jettisoned which could form collars to entangle seals. Five subsequent years ... been halved in recent years. However, the South Georgia fur seal population has approximately doubled ... in the same period, so that the overall total of animals entangled may even have increased. Nevertheless ... bands and the fact that all such bands washed ashore over the last 2 years have been cut, does suggest ...

   Meeting Document : SC-CAMLR-XV/BG/03 : Author(s): Delegation of the United Kingdom

7. Measures to avoid bias in abundance estimates of Dissostichus spp. based on tag-recapture data

   Abstract:  Using the simplest form of an abundance estimator using tag-recapture data, the Lincoln ... difficulty in accurately estimating key parameters, and consequently introduce bias into an abundance ... against this bias, or to account for their effects in assessment models. In nearly all cases, examples of ... depredation rates are a priority for new tagging programs and tag-based assessments. Due to the complexity of ...

   Meeting Document : WG-SAM-12/23 : Author(s): D.C. Welsford and P.E. Ziegler (Australia)

8. Progress report on the Australian Fisheries Research and Development Corporation project to develop robust assessment methods and harvest strategies for spatially complex, multi-jurisdictional toothfish fisheries in the Southern Ocean

   Abstract:  This paper provides an update on the ongoing FRDC-funded research project to develop ... robust assessment methods and harvest strategies for spatially complex, multi-jurisdictional toothfish ... distribution, abundance and movement of toothfish on the Kerguelen Plateau, to enable complementary harvest ... strategies to be developed for the Australian and French fisheries, as well as develop tools that can be used ...

   Meeting Document : WG-SAM-15/37 : Author(s): P. Burch, C. Péron, D. Welsford, P. Ziegler, T. Lamb, T. Robertson (Australia), G. Duhamel, N. Gasco, P. Pruvost, C. Chazeau and R. Sinègre (France)

9. On assessing the size of the humped rockcod stock (Notothenia gibberifrons) in Subarea 48.3

   Abstract:  An adaptive approach was used to assess the Notothenia gibberifrons stock in Area 48.3 ... imperative to estimate the catchability coefficient. This parameter was equal to 0.326 to 0.635. An adaptive ... logarithms of observed and calculated biomass indices and resulted in an estimate of from 21.5 to 42.1 ... thousand tonnes for N. gibberifrons biomass in the 1989/90 season. It is thus possible to suggest a TAC of ...

   Meeting Document : WG-FSA-91/26 : Author(s): P.S. Gasiukov (USSR)

10. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

    tonnes for the plateau and 18 tonnes for Shell Bank. An assessment based on the results of a survey ... populations on the Heard plateau are sufficiently different from those on Shell Bank for them to be managed ... conducted at the end of the 1997 fishing season would allow for a catch limit on the Heard plateau of 900 ... on the data collected during the surveys, including growth curves, natural mortality, ages and sizes ...

    Meeting Document : WG-FSA-97/29 : Author(s): de la Mare, W.K., Constable, A., Williams, R.

Pages